Tuesday, November 21, 2017

Period 2: copy the following notes into your science notebook on the same page as the notes for GAS EXCHANGE lesson:


Take Away:
o        The Respiratory System:
§     includes lungs, trachea (windpipe), bronchial tubes, alveoli;
§     takes in air to get Oxygen, or O2 so cells can get energy from food;
§     absorbs O2 across the thin walls of the alveoli into capillaries (tiny blood vessels), so the circulatory system can carry O2 to all cells;

§     exhales Carbon Dioxide, CO2, a waste product from the body's breakdown of food.

Period 3: pakcet work and finish notes and Anticipation Guide: Gas Exchange

Period 4: answer the Anticipation Guide: Gas Exchange

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